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what is the difference between double wall and triple wall stove pipe

by Quinn Willms Published 3 years ago Updated 3 years ago

What's the difference between DuraTech and DuraPlus chimney pipe? DuraPlus is a triple-wall chimney system with a layer of insulation between the innermost wall and the middle wall whereas DuraTech is a double-wall chimney system with a layer if insulation between the two metal walls.Mar 1, 2012

Full Answer

Is double wall pipe better for the fire?

The main issue besides maintaining draft is keeping creosote accumulation low. Double-wall stove pipe helps with both these concerns by keeping flue gases hotter. If one can do this with a lower fire due to double-wall pipe keeping the flue gasses hotter, then that could extend burn time.

How to install a single wall stove pipe?

How to Install A Single Wall Stove Pipe. How to determine the parts you will need for your single wall stove pipe installation. Begin by measuring the distance from the floor where the appliance will sit to the chimney opening. (The chimney opening could be in the ceiling or in the wall.) If the chimney opening is in the wall, measure the distance to the center of the hole to the floor.

How to install a Duraplus triple wall chimney pipe?

  • Measure the roof pitch. For example, a 6/12 pitch has a vertical rise of 6" over a horizontal distance of 12". ...
  • Determine the total length of chimney and stovepipe required for the installation. To calculate the installed per length of 6"-8" DuraPlus chimney pipe, subtract 1 1/2" per joint. ...
  • Be fire safe. Maintain at least 2" clearance to combustibles. ...

How to remove double wall chimney pipe?

  • Loosen and remove two pairs of small screws, one at the top and one at the bottom, of one section of pipe using a small screwdriver.
  • Put on some gloves and grab the pipe with both hands.
  • Lift up as you twist the pipe.

What is triple wall stove pipe used for?

Class A chimney pipe has many names, often referred to as double-wall chimney pipe, triple-wall chimney pipe, all-fuel pipe, or insulated chimney pipe. Class A pipe is used to vent high-temperature exhaust released from wood, coal, and oil-burning appliances such as fireplaces, stoves, boilers, and furnaces.

Do you need triple wall stove pipe?

According to building codes, there must be a 2-inch clearance around your double- or triple-wall chimney pipe. In mobile homes, you must use a triple-wall chimney pipe. You can find a 6-inch DuraVent triple-wall stove pipe kit that should have just about everything you need for a triple-wall stove pipe installation.

Does stove pipe have to be double wall?

Single-Wall stove pipe can be installed as long as you have a 18" clearance to a wall, ceiling or floor. If your clearance to combustibles is less than 18", you have to install double-wall stove pipe.

Does triple wall pipe get hot?

The double- and triple-wall insulated pipe is listed as a Class A vent pipe. To operate with an internal temperature of 1,000 degrees Fahrenheit and withstanding a maximum temperature of 1,700 degrees Fahrenheit, the pipe must be capable of safety.

Can you connect single wall to triple wall stove pipe?

Adapters. Adapters are used to allow a single wall pipe to fit into the end of a threaded triple wall pipe.

Does double wall stove pipe get hot?

While for a double-wall chimney pipe, a probe thermometer is used. The surface temperature is significantly cooler than the actual flue temperature. They can get temperatures over 900 degrees Fahrenheit, which is only okay if it stays momentarily.

What type of stove pipe do I need?

According to CBMQ.com, it should be at least 24-gauge sheet metal or thicker -- the lower the gauge, the thicker the metal. Typical code requires that single-wall stove pipe maintain at least an 18-inch clearance from any combustible material.

How long does double wall stove pipe last?

The double wall stove pipe was designed to work with the chimney to form a complete wood stove venting system. A single wall stove pipe will need to be replaced every two or three years if a wood burning appliance is used every day.

What is the purpose of double wall stove pipe?

Double wall stove pipe has superior insulation with 1/4" airspace between the inner and outer pipe walls. This allows hotter flue gas temperatures improving draft meaning: Less chance of moisture or soot buildup within the vent. Less "smoking" of the stove at startup.

How hot does triple wall stove pipe get outside?

Double- and triple-wall insulated pipe is listed as Class A vent pipe and must meet either UL standard 103 or 103HT. UL standard 103 requires pipe capable of safety operating with an internal temperature of 1,000 degrees Fahrenheit and withstanding a maximum temperature of 1,700 degrees Fahrenheit.

How hot does Class A chimney pipe Get on the outside?

This standard, which is known as UL 103 mandates that Class A chimneys be designed to operate at a continuous temperature of 1,000 degrees Fahrenheit.

How close can triple wall stove pipe be to wood?

The NFPA recommends that a stovepipe be at least 18 inches from the nearest combustible material. Closer clearances are allowed in some situations (Table 1). Clearances through walls and ceilings. The NFPA does not permit a stovepipe to pass through any floor or ceiling or through any fire wall or fire partition.

Can you use single wall stove pipe in the attic?

Insulated pipe can be installed 2” from any combustible surface, but it releases less heat into your home. You can use single wall pipe up to the ceiling, but you must use insulated pipe through the ceiling, attic and roof. 2.

How hot does triple-wall chimney pipe Get?

Double- and triple-wall insulated pipe is listed as Class A vent pipe and must meet either UL standard 103 or 103HT. UL standard 103 requires pipe capable of safety operating with an internal temperature of 1,000 degrees Fahrenheit and withstanding a maximum temperature of 1,700 degrees Fahrenheit.

Does a wood stove pipe have to go straight up?

A wood stove pipe must be as short and straight as possible. At the least, 80% of it must be vertical. If it is so important, one or two 90˚ angles, at most, can be made part of the structure. The horizontal part should not rise more than a quarter from the linear foot.

What is triple wall chimney pipe?

Chimney pipe is insulated metal pipe used to vent safely to the outside air the products of combustion produced by wood, coal or oil. It is not necessarily installed in a chimney; it can be freestanding.

How far can a single wall stove pipe be installed?

How Used. Single-wall stove pipe can be installed from a stove to within 18 inches of any combustible material. Neither it nor double-wall uninsulated pipe can be used to penetrate ceilings, walls or roofs.

How does a chimney pipe work?

The function of the insulated chimney pipe is to protect adjacent building structures from the high temperatures created by high-output appliances. To do this requires that the pipe remain cool on the outside by having an internal design that creates a fire-safe venting system. Manufacturers use different techniques to achieve this. Chimney pipe may have insulation packed in the gap (s) between the pipes, or it has a ceramic insulating blanket in conjunction with the gap (s). The goal is to minimize the outside diameter of the pipe and the allowable distance from combustibles. This can be 2 inches for double-wall pipe and 1 ½ inches for triple-wall pipe.

What is stove pipe?

Stove pipe is uninsulated pipe used in the room where the stove or other appliance is located. Stove pipe is made in single- and double-wall versions. Chimney pipe also is made in two types, double wall and triple wall. Advertisement.

What is the temperature of a 103 UL pipe?

UL standard 103 requires pipe capable of safety operating with an internal temperature of 1,000 degrees Fahrenheit and withstanding a maximum temperature of 1,700 degrees Fahrenheit. The comparable numbers for the 103HT standard are 1,700 and 2,100 degrees.

Do you need a listing for a stove?

The listing required for a particular stove may be specified by the manufacturer. Or your local building code may require a particular listing, either in general or for specific types of fuel or appliance. This can be a reason for using triple-wall pipe rather than double wall.

What is the difference between triple wall and double wall?

The difference is that it is 2" bigger in diameter, so you need a bigger hole.

What is the most important tool in the wood burning process and the largest variable?

The most important tool in the wood burning process and the largest variable is the one that is running the stove.

Is triple wall bigger inside or outside?

I think you are not understanding. Triple wall is larger OUTSIDE. They will all be the same inside in accordance with the specifications of the mfg of your stove. I have 8" inside pipe because I have a huge stove. Most stove pipe is 6". Only the inside measurements are quoted, just as water pipe, etc.

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